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docs(vinted): document similarity_score on image search (SCR-110) - #68
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The image-search page told readers no similarity or confidence score is returned. Vinted does return one per item and the API now surfaces it. Says plainly what a null means, because the obvious reading is wrong: Vinted supplies the ranking on only some calls, and on the rest every item comes back null. The result set is identical either way, so a missing score is not a weak match — it is a missing payload. Also documents the self-match: searching with a listing's own photo returns that listing first at 1.0, which will bias a median unless it is dropped by id.
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Ships alongside scrape-badger/scrapebadger#1956, already deployed to production.
The image-search page told readers no similarity or confidence score is returned. Vinted does return one per item, and the API now surfaces it as
similarity_score.Verified in production on 2026-09-18:
1.0000at rank 1 (the query image's own listing) down to0.6154at rank 20, monotonic.Two things the page now says explicitly, because the obvious reading of each is wrong:
nullis not a weak match. Vinted supplies the ranking on only some calls (2 of 14 in the prod check); on the rest every item comes backnull. The result set is identical either way, so a missing score is a missing payload, not a worse match.1.0and will bias a median unless dropped byid.🤖 Generated with Claude Code